Mark McGwire

Mark McGwire Mark McGwire was named in a FBI investigation on steroids. He later admitted to using Androstenedione. On January 11, 2010, McGwire admitted to using steroids at various points during his baseball career, including the 1998 season when he hit a then-MLB record 70 home runs.

Mark McGwire Mark McGwire was named in a FBI investigation on steroids. He later admitted to using Androstenedione. On January 11, 2010, McGwire admitted to using steroids at various points during his baseball career, including the 1998 season when he hit a then-MLB record 70 home runs. (WIN MCNAMEE / AFP / GETTY IMAGES)

Mark McGwire Mark McGwire was named in a FBI investigation on steroids. He later admitted to using Androstenedione. On January 11, 2010, McGwire admitted to using steroids at various points during his baseball career, including the 1998 season when he hit a then-MLB record 70 home runs.WIN MCNAMEE / AFP / GETTY IMAGES